Harry K. Jang, MD
Internal Medicine Physician · Seaside, CA
Harry K. Jang, MD is an internal medicine physician with a practice address in Seaside, California, and NPI 1770653693, issued on Nov 8, 2006. Check the license (California G45445, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Harry K. Jang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G45445 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Fremont Blvd, Seaside, CA 93955
- Phone
- (831) 899-8100
- Enumerated
- Nov 8, 2006
- Record last updated
- Apr 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (831) 899-8105
- Medicare enrollment
- Enrolled (PECOS I20080714000634); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1150 Fremont Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edith Alanis-ChavezNurse's Aide1154642866
- Veronica Barajas, RNRegistered Nurse1619297884
- Lina ContrerasNurse's Aide1902126170
- Maria De La FuenteRegistered Nurse1326273285
- Noemi DunnNurse's Aide1245465103
- Julio GarciaNurse's Aide1225263189
Verify Harry K. Jang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45445Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average internal medicine physician in 2024
6,210 Medicare Part D claims for 400 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 226 claims were for opioids.
Most prescribed
- Atorvastatin Calcium477 claims
- Amlodipine Besylate320 claims
- Metformin Hcl250 claims
- Gabapentin203 claims
- Jardiance194 claims
- Lisinopril147 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- County OF MontereySalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harry K. Jang among 17,696 internal medicine physician records in California
Harry K. Jang, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1980 · median 2004 among the 11,065 with a school on file
- Record last updated2013 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Seaside
They are 9 of the 264 NPPES records with a practice address in Seaside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Seaside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Ang, M.D.Seaside, CA 939551699700344
- Frank Chiu, MDSeaside, CA 939551740202670
- Norman Gross, M.D.Seaside, CA 939551124065685
- Michael Kang, M.D.Seaside, CA 939551144276932
- Mary Roberts, M.D.Seaside, CA 939551487743381
- Elif Sarihan, MDSeaside, CA 939551356970115
- Ruth Trotter, MDSeaside, CA 939551629022363
- Talal Zahoor, MDSeaside, CA 939551912352162
Common questions
What is Harry K. Jang, MD's NPI number?
Harry K. Jang, MD's National Provider Identifier (NPI) is 1770653693, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry K. Jang, MD located?
The NPPES record lists a practice address at 1150 Fremont Blvd, Seaside, CA, 93955. Phone: (831) 899-8100. Providers update this record themselves, so call before visiting.
How can I verify Harry K. Jang, MD's license?
NPPES lists California license number G45445, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harry K. Jang, MD prescribe under Medicare Part D?
In 2024, Harry K. Jang, MD had 6,210 Medicare Part D claims for 400 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.